The soil air/ water Flashcards
What does soil air occupy?
The spaces between the particles and is readily displaced by soil water
WATCH THE SOIL AIR/ WATER DIAGRAM
watch the soil air diagram, please, please, please, please, please, prettyyyy please with a cherry and sprinkles on top with chocolate syrup and whipped cream on a mountain of your favourite ice cream flavour, with brownie pieces on it or even cookie dough
What is soil water obtained from?
Mainly rainfall (or when people water the soil, probably)
Where is the soil water held?
It is held in a thin film around the soil particles
What happens to additional water?
It drains away
The smaller the soil particles….?
The larger is their total surface area and the more water is held
What does soil water contain?
dissolved chemicals that have been produced by weathering and decomposition.
What is there a constant motion of?
soluble chemicals, from the soil into the solution, and from the solution into plants.
soluble chemicals from soil—-> solution—–> plants
When does leaching occur?
When chemicals and mineral salts are washed out from the soil by rain. As the rainwater passes through the soil, these substances drain out with the water
